World forest fires are an increasingly worrying phenomenon and have serious impacts on biodiversity. These fires are not only caused by natural factors, but also by human activities such as clearing agricultural land and deforestation. As a result, thousands of hectares of forest are lost every year, eliminating habitat for many species of flora and fauna. One of the most significant impacts of forest fires is habitat loss. Especially in tropical areas such as the Amazon and Indonesian rainforests, various species are threatened with extinction when their homes burn. Tropical forests, known as the “lungs of the world”, harbor thousands of species of animals and plants found nowhere else on earth. The loss of one species can trigger a widespread domino effect, disrupting a balanced ecosystem. Additionally, forest fires increase carbon dioxide emissions, which exacerbates climate change. These greenhouse gases not only produce air pollution, but also contribute to global warming. Climate change itself has the potential to create drier and hotter conditions that increase the frequency and intensity of forest fires in the future. Not only that, forest fires also affect local communities who depend on forests for their livelihoods. Indigenous communities who live from forest products experience difficulties when their agricultural land is polluted by smoke and ash. Loss of biodiversity causes food and other natural resources to become increasingly scarce. Various efforts have been made to combat forest fires, including stricter monitoring and law enforcement against illegal burning practices. Satellite technology is used to detect areas at risk of fire. Apart from that, public education about the importance of forest protection is also key. Providing alternatives for people to live sustainably without destroying forests is very important. In summary, the world’s forest fires are a major challenge to biodiversity. In maintaining ecosystem balance and sustaining the lives of local communities, it is important to adopt a sustainable approach. Collective efforts from governments, NGOs, and the international community are urgently needed to address this urgent problem and protect the earth for future generations.